Join Now
International Automotive Technicians Network

P0170 Diagnostic Trouble Code Discussion for April 2009

Fuel Trim Lean Or Rich (Bank 1)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1995 Toyota Tacoma DLX 2.7L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
P0170: fuel trim. Truck idles fine. Press peddle and just a blah with hardly any rpm increase. Have a constant recurring P01070 code (fuel trim). I did an unregulated fuel pressure test and it was good. If I open throttle with return line pinched rpms improve. Sounds like a pre...
April 26, 2009
1995 Toyota Tacoma DLX 2.7L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
P0170: fuel trim. Truck idles fine. Press peddle and just a blah with hardly any rpm increase. Have a constant recurring P01070 code (fuel trim). I did an unregulated fuel pressure test and it was good. If I open throttle with return line pinched rpms improve. Sounds like a pre...
April 26, 2009